NPY format data can be read using Python's numpy library.
H5 format data can be read using Python's h5Py library.
Dat format file is a text file.

545110-9999-2019 and 545110-9999-2020 are meteorological data from ftp://ftp.ncdc.noaa.gov/pub/data/noaa/isd-lite/

The "source_code" provide a demo of the profile inversion algorithm, and the password is used to avoid arbitrary distribution.

The code (Figure *. py) contains the following file reading and processing methods:
Synthetic profile retrieval is the relevant result of synthesizing data, as detailed in section 3.1 in the manuscript.
The data in the case folder is from the period of heavy pollution cases, please refer to section 3.2 in the manuscript for details.
The long term data is the result of long-term observations, as detailed in Section 3.2 in the manuscript.